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/* vi: set sw=4 ts=4: */
/*
* putgrent.c
* Copyright (C) 2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <errno.h>
#include "config.h"
/* Write the given entry onto the given stream. */
int putgrent(const struct group *__restrict grp,
FILE *__restrict f)
{
if (grp == NULL || f == NULL) {
__set_errno(EINVAL);
return -1;
}
if (fprintf(f, "%s:%s:%u:", grp->gr_name,
grp->gr_passwd, grp->gr_gid) < 0)
{
return -1;
}
if (grp->gr_mem) {
int i;
char **gr_mem = grp->gr_mem;
while(*gr_mem) {
if (fprintf(f, (i++)? ",%s" : "%s", *gr_mem) < 0) {
return -1;
}
gr_mem++;
}
}
if (fputc('\n', f) < 0) {
return -1;
}
return 0;
}
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